the super bowl gets under way tonight in new orleans. alex is joining us next from new york city. caller: my comment is -- i am not particularly a sports fan. it seems very repetitive back and forth. as far as the regulation -- my observation, not just about football but hockey and also even baseball -- people seem to like people getting hit and getting beat up. they even like people looking kind of distorted like when they take drugs. i would be in favor if there could be a lot to prevent head injuries or young people being persuaded to do drugs to get onto teams or whatever. it is my commentary to my fellow americans the sunday morning that, it is like gladiatorial combat. . "the hunter games." it is almost like a freak show you enjoy watching human suffering. that is my cheery comment. host: thank you for the call. on the twitter page, there is this. back in 2009, tiki barber testified on the issue of head injuries at the high school and professional lover -- level. [video clip] >> you hear the file but comes from people who think the nfl is not addressing this issue. at the en